Mobile terminal and controlling method thereof

Provided is a mobile terminal and a method of controlling the same. The mobile terminal includes a body and a display provided on a front side of the body. An input device is provided on a back side of the body. The input device may be exposed through a back surface of the body and may have a plurality of buttons. A storage device may be provided to store a mapping between a prescribed pattern of inputs associated with the input device and prescribed commands for a plurality of functions. A controller may detect an input at the input device, determine a prescribed pattern associated with the input at the input device, retrieve from the storage device a command for a function associated with the prescribed pattern of the input, and process the retrieved command for the function associated with the input.